mustang tanks
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Freshman User
Joined: Feb 2014
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mustang tanks
hi all has anyone used a mid 60,s fuel tank in the rear portion of the frame of theyre f-100 ? i was thinkin about it and thought maybe someone here has and can tell me of any problems if any ?
Logistics Pro
Joined: May 2010
Posts: 3,793
Likes: 19
From: Austin
Hey Mr 56,
Look for a post by jniolin. He outlines a Mustang tank installation.
We installed the 22 gallon '70 Mustang tank. It's nice to get the additional range over the stock 16 gallon tank.
Good luck over there in California - stay dry.
Ben in Austin
1950 F1
Look for a post by jniolin. He outlines a Mustang tank installation.
We installed the 22 gallon '70 Mustang tank. It's nice to get the additional range over the stock 16 gallon tank.
Good luck over there in California - stay dry.
Ben in Austin
1950 F1
old and in the way
Joined: Jul 1997
Posts: 5,922
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From: Lovely Hueytown Alabama
Laughing Gas
Joined: Jun 2010
Posts: 1,035
Likes: 330
From: Waterford, VA. USA
Just to add to the install info., I added the vent to the filler neck rather than welding to the tank, works great and I didn't have to worry about another hole in the tank.
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Laughing Gas
Joined: Jan 2009
Posts: 914
Likes: 71
From: Lavergne, Tn.
I also added the vent tube to the suburban filler neck that I modified and will use a remotely mounted rollover valve.
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Logistics Pro
Joined: May 2010
Posts: 3,793
Likes: 19
From: Austin
The only adjustments we made to the Mustang tank installation:
o Charcoal canister - My wife complained that the garage smelled bad. This was wife code for "You better make that truck smell better or else!". We added a charcoal canister to the vent tube & went with a closed gas cap - much better.
o Gas Tank Sending Unit - You need to think through how your sending unit is going to talk to your Gas Gauge. We had modern gauges that required a 0 ohms - 200 ohms signal from the tank. The '70 Mustang tank sending unit sends an 11 ohm - 77ohm signal. So... We liked the '70 mustang sending unit for the fuel pick up & we clipped off the in tank part & welded on a modern universal one that was 0hms - 200ohms.
Don't assume you can fix the Gas Gauge signal issue easily later .... Ask me how I know...
Good luck over there.
Ben in Austin
1950 F1
o Charcoal canister - My wife complained that the garage smelled bad. This was wife code for "You better make that truck smell better or else!". We added a charcoal canister to the vent tube & went with a closed gas cap - much better.
o Gas Tank Sending Unit - You need to think through how your sending unit is going to talk to your Gas Gauge. We had modern gauges that required a 0 ohms - 200 ohms signal from the tank. The '70 Mustang tank sending unit sends an 11 ohm - 77ohm signal. So... We liked the '70 mustang sending unit for the fuel pick up & we clipped off the in tank part & welded on a modern universal one that was 0hms - 200ohms.
Don't assume you can fix the Gas Gauge signal issue easily later .... Ask me how I know...
Good luck over there.
Ben in Austin
1950 F1
Last edited by ben73058; Feb 28, 2014 at 08:48 AM. Reason: Spelling
Elder User
Joined: Aug 2012
Posts: 751
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From: Cuba, AL (NO internet)
mr56......john's write-up above is the way to go. I also got some help on this a short time ago and listed some links that may be helpful to you. Here is the thread....
https://www.ford-trucks.com/forums/1...and-parts.html
https://www.ford-trucks.com/forums/1...and-parts.html
Fleet Mechanic
Joined: Oct 2011
Posts: 1,891
Likes: 103
From: Birdsboro PA
I did the 17 gallon between the frame rails because like yours, mine is gonna be pretty low as well. I wanted the tank to be at least even with, if not higher than the rear axle center section. With the setup i came up with, im a little above the center section. The extra height of the 22 gallon tank with my setup would male the top pretty close to the top of the frame rail, which would interfere with the bed cross member. You could probably take out the bottom spacer and be fine with clearence.
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